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https://github.com/FFmpeg/FFmpeg.git
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8f70e261fa
As the values generated by av_bmg_get can be arbitrarily large
(only the stddev is specified), we can't use a fixed tolerance.
This matches what was done for test_vector_dmul_scalar in
38f966b222.
This fixes the float_dsp checkasm test for some seeds, when built
with clang for mingw/x86_32.
Signed-off-by: Martin Storsjö <martin@martin.st>
339 lines
12 KiB
C
339 lines
12 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <float.h>
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#include <stdint.h>
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#include "libavutil/float_dsp.h"
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#include "libavutil/internal.h"
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#include "checkasm.h"
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#define LEN 256
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#define randomize_buffer(buf) \
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do { \
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int i; \
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double bmg[2], stddev = 10.0, mean = 0.0; \
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\
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for (i = 0; i < LEN; i += 2) { \
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av_bmg_get(&checkasm_lfg, bmg); \
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buf[i] = bmg[0] * stddev + mean; \
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buf[i + 1] = bmg[1] * stddev + mean; \
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} \
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} while(0);
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static void test_vector_fmul(const float *src0, const float *src1)
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{
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LOCAL_ALIGNED_32(float, cdst, [LEN]);
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LOCAL_ALIGNED_32(float, odst, [LEN]);
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int i;
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declare_func(void, float *dst, const float *src0, const float *src1,
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int len);
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call_ref(cdst, src0, src1, LEN);
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call_new(odst, src0, src1, LEN);
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for (i = 0; i < LEN; i++) {
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double t = fabs(src0[i]) + fabs(src1[i]) + fabs(src0[i] * src1[i]) + 1.0;
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if (!float_near_abs_eps(cdst[i], odst[i], t * 2 * FLT_EPSILON)) {
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fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
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i, cdst[i], odst[i], cdst[i] - odst[i]);
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fail();
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break;
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}
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}
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bench_new(odst, src0, src1, LEN);
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}
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static void test_vector_dmul(const double *src0, const double *src1)
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{
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LOCAL_ALIGNED_32(double, cdst, [LEN]);
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LOCAL_ALIGNED_32(double, odst, [LEN]);
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int i;
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declare_func(void, double *dst, const double *src0, const double *src1,
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int len);
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call_ref(cdst, src0, src1, LEN);
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call_new(odst, src0, src1, LEN);
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for (i = 0; i < LEN; i++) {
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double t = fabs(src0[i]) + fabs(src1[i]) + fabs(src0[i] * src1[i]) + 1.0;
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if (!double_near_abs_eps(cdst[i], odst[i], t * 2 * DBL_EPSILON)) {
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fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
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i, cdst[i], odst[i], cdst[i] - odst[i]);
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fail();
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break;
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}
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}
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bench_new(odst, src0, src1, LEN);
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}
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#define ARBITRARY_FMUL_ADD_CONST 0.005
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static void test_vector_fmul_add(const float *src0, const float *src1, const float *src2)
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{
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LOCAL_ALIGNED_32(float, cdst, [LEN]);
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LOCAL_ALIGNED_32(float, odst, [LEN]);
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int i;
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declare_func(void, float *dst, const float *src0, const float *src1,
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const float *src2, int len);
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call_ref(cdst, src0, src1, src2, LEN);
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call_new(odst, src0, src1, src2, LEN);
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for (i = 0; i < LEN; i++) {
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if (!float_near_abs_eps(cdst[i], odst[i], ARBITRARY_FMUL_ADD_CONST)) {
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fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
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i, cdst[i], odst[i], cdst[i] - odst[i]);
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fail();
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break;
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}
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}
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bench_new(odst, src0, src1, src2, LEN);
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}
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static void test_vector_fmul_scalar(const float *src0, const float *src1)
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{
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LOCAL_ALIGNED_16(float, cdst, [LEN]);
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LOCAL_ALIGNED_16(float, odst, [LEN]);
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int i;
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declare_func(void, float *dst, const float *src, float mul, int len);
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call_ref(cdst, src0, src1[0], LEN);
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call_new(odst, src0, src1[0], LEN);
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for (i = 0; i < LEN; i++) {
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double t = fabs(src0[i]) + fabs(src1[0]) + fabs(src0[i] * src1[0]) + 1.0;
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if (!float_near_abs_eps(cdst[i], odst[i], t * 2 * FLT_EPSILON)) {
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fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
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i, cdst[i], odst[i], cdst[i] - odst[i]);
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fail();
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break;
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}
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}
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bench_new(odst, src0, src1[0], LEN);
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}
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#define ARBITRARY_FMUL_WINDOW_CONST 0.008
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static void test_vector_fmul_window(const float *src0, const float *src1, const float *win)
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{
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LOCAL_ALIGNED_16(float, cdst, [LEN]);
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LOCAL_ALIGNED_16(float, odst, [LEN]);
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int i;
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declare_func(void, float *dst, const float *src0, const float *src1,
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const float *win, int len);
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call_ref(cdst, src0, src1, win, LEN / 2);
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call_new(odst, src0, src1, win, LEN / 2);
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for (i = 0; i < LEN; i++) {
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if (!float_near_abs_eps(cdst[i], odst[i], ARBITRARY_FMUL_WINDOW_CONST)) {
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fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
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i, cdst[i], odst[i], cdst[i] - odst[i]);
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fail();
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break;
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}
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}
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bench_new(odst, src0, src1, win, LEN / 2);
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}
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#define ARBITRARY_FMAC_SCALAR_CONST 0.005
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static void test_vector_fmac_scalar(const float *src0, const float *src1, const float *src2)
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{
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LOCAL_ALIGNED_32(float, cdst, [LEN]);
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LOCAL_ALIGNED_32(float, odst, [LEN]);
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int i;
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declare_func(void, float *dst, const float *src, float mul, int len);
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memcpy(cdst, src2, LEN * sizeof(*src2));
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memcpy(odst, src2, LEN * sizeof(*src2));
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call_ref(cdst, src0, src1[0], LEN);
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call_new(odst, src0, src1[0], LEN);
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for (i = 0; i < LEN; i++) {
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if (!float_near_abs_eps(cdst[i], odst[i], ARBITRARY_FMAC_SCALAR_CONST)) {
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fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
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i, cdst[i], odst[i], cdst[i] - odst[i]);
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fail();
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break;
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}
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}
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memcpy(odst, src2, LEN * sizeof(*src2));
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bench_new(odst, src0, src1[0], LEN);
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}
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static void test_vector_dmul_scalar(const double *src0, const double *src1)
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{
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LOCAL_ALIGNED_32(double, cdst, [LEN]);
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LOCAL_ALIGNED_32(double, odst, [LEN]);
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int i;
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declare_func(void, double *dst, const double *src, double mul, int len);
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call_ref(cdst, src0, src1[0], LEN);
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call_new(odst, src0, src1[0], LEN);
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for (i = 0; i < LEN; i++) {
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double t = fabs(src1[0]) + fabs(src0[i]) + fabs(src1[0] * src0[i]) + 1.0;
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if (!double_near_abs_eps(cdst[i], odst[i], t * 2 * DBL_EPSILON)) {
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fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n", i,
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cdst[i], odst[i], cdst[i] - odst[i]);
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fail();
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break;
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}
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}
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bench_new(odst, src0, src1[0], LEN);
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}
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#define ARBITRARY_DMAC_SCALAR_CONST 0.005
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static void test_vector_dmac_scalar(const double *src0, const double *src1, const double *src2)
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{
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LOCAL_ALIGNED_32(double, cdst, [LEN]);
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LOCAL_ALIGNED_32(double, odst, [LEN]);
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int i;
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declare_func(void, double *dst, const double *src, double mul, int len);
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memcpy(cdst, src2, LEN * sizeof(*src2));
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memcpy(odst, src2, LEN * sizeof(*src2));
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call_ref(cdst, src0, src1[0], LEN);
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call_new(odst, src0, src1[0], LEN);
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for (i = 0; i < LEN; i++) {
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if (!double_near_abs_eps(cdst[i], odst[i], ARBITRARY_DMAC_SCALAR_CONST)) {
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fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
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i, cdst[i], odst[i], cdst[i] - odst[i]);
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fail();
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break;
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}
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}
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memcpy(odst, src2, LEN * sizeof(*src2));
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bench_new(odst, src0, src1[0], LEN);
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}
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static void test_butterflies_float(const float *src0, const float *src1)
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{
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LOCAL_ALIGNED_16(float, cdst, [LEN]);
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LOCAL_ALIGNED_16(float, odst, [LEN]);
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LOCAL_ALIGNED_16(float, cdst1, [LEN]);
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LOCAL_ALIGNED_16(float, odst1, [LEN]);
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int i;
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declare_func(void, float *av_restrict src0, float *av_restrict src1,
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int len);
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memcpy(cdst, src0, LEN * sizeof(*src0));
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memcpy(cdst1, src1, LEN * sizeof(*src1));
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memcpy(odst, src0, LEN * sizeof(*src0));
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memcpy(odst1, src1, LEN * sizeof(*src1));
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call_ref(cdst, cdst1, LEN);
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call_new(odst, odst1, LEN);
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for (i = 0; i < LEN; i++) {
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if (!float_near_abs_eps(cdst[i], odst[i], FLT_EPSILON) ||
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!float_near_abs_eps(cdst1[i], odst1[i], FLT_EPSILON)) {
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fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
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i, cdst[i], odst[i], cdst[i] - odst[i]);
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fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
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i, cdst1[i], odst1[i], cdst1[i] - odst1[i]);
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fail();
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break;
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}
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}
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memcpy(odst, src0, LEN * sizeof(*src0));
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memcpy(odst1, src1, LEN * sizeof(*src1));
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bench_new(odst, odst1, LEN);
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}
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#define ARBITRARY_SCALARPRODUCT_CONST 0.2
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static void test_scalarproduct_float(const float *src0, const float *src1)
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{
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float cprod, oprod;
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declare_func_float(float, const float *src0, const float *src1, int len);
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cprod = call_ref(src0, src1, LEN);
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oprod = call_new(src0, src1, LEN);
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if (!float_near_abs_eps(cprod, oprod, ARBITRARY_SCALARPRODUCT_CONST)) {
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fprintf(stderr, "%- .12f - %- .12f = % .12g\n",
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cprod, oprod, cprod - oprod);
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fail();
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}
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bench_new(src0, src1, LEN);
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}
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void checkasm_check_float_dsp(void)
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{
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LOCAL_ALIGNED_32(float, src0, [LEN]);
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LOCAL_ALIGNED_32(float, src1, [LEN]);
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LOCAL_ALIGNED_32(float, src2, [LEN]);
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LOCAL_ALIGNED_16(float, src3, [LEN]);
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LOCAL_ALIGNED_16(float, src4, [LEN]);
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LOCAL_ALIGNED_16(float, src5, [LEN]);
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LOCAL_ALIGNED_32(double, dbl_src0, [LEN]);
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LOCAL_ALIGNED_32(double, dbl_src1, [LEN]);
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LOCAL_ALIGNED_32(double, dbl_src2, [LEN]);
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AVFloatDSPContext *fdsp = avpriv_float_dsp_alloc(1);
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if (!fdsp) {
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fprintf(stderr, "floatdsp: Out of memory error\n");
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return;
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}
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randomize_buffer(src0);
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randomize_buffer(src1);
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randomize_buffer(src2);
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randomize_buffer(src3);
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randomize_buffer(src4);
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randomize_buffer(src5);
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randomize_buffer(dbl_src0);
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randomize_buffer(dbl_src1);
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randomize_buffer(dbl_src2);
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if (check_func(fdsp->vector_fmul, "vector_fmul"))
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test_vector_fmul(src0, src1);
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if (check_func(fdsp->vector_fmul_add, "vector_fmul_add"))
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test_vector_fmul_add(src0, src1, src2);
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if (check_func(fdsp->vector_fmul_scalar, "vector_fmul_scalar"))
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test_vector_fmul_scalar(src3, src4);
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if (check_func(fdsp->vector_fmul_reverse, "vector_fmul_reverse"))
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test_vector_fmul(src0, src1);
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if (check_func(fdsp->vector_fmul_window, "vector_fmul_window"))
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test_vector_fmul_window(src3, src4, src5);
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report("vector_fmul");
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if (check_func(fdsp->vector_fmac_scalar, "vector_fmac_scalar"))
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test_vector_fmac_scalar(src0, src1, src2);
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report("vector_fmac");
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if (check_func(fdsp->vector_dmul, "vector_dmul"))
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test_vector_dmul(dbl_src0, dbl_src1);
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if (check_func(fdsp->vector_dmul_scalar, "vector_dmul_scalar"))
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test_vector_dmul_scalar(dbl_src0, dbl_src1);
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report("vector_dmul");
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if (check_func(fdsp->vector_dmac_scalar, "vector_dmac_scalar"))
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test_vector_dmac_scalar(dbl_src0, dbl_src1, dbl_src2);
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report("vector_dmac");
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if (check_func(fdsp->butterflies_float, "butterflies_float"))
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test_butterflies_float(src3, src4);
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report("butterflies_float");
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if (check_func(fdsp->scalarproduct_float, "scalarproduct_float"))
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test_scalarproduct_float(src3, src4);
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report("scalarproduct_float");
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av_freep(&fdsp);
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}
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